[#9484] Add User Group Settings

Merge branch 'group-settings' into develop

* group-settings:
  Add changelog
  Fix joins in modUser::getUserGroupSettings()
  Add settings tab to security/group/update
  Implement UserGroup Settings
Introduce dependency support from xPDO 2.3.0-alpha

Merge remote-tracking branch 'xpdo/develop' into pkg-dependencies

* xpdo/develop:
  Add changelog entry
  Add dependency metadata/methods to xPDOTransport
  Bump version for 2.3.0-alpha development
  Disable phpdoc generation in build for now
  Update code docs, fix invalid constant
Implement package dependency support
Fix update-remote processor